Dust Bowl migrants and hobos denied entry into 1930s California

The transcript describes the migration of 68,000 families from Oklahoma and Texas to California, seeking prosperity. California, overwhelmed by the influx of unemployed migrants, reacted negatively, leading to a tense and unhappy situation for all involved.

Describe the living conditions of the migrants as they began their journey.

What does the term 'Exodus' refer to in the context of this migration?